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injection-guard

v1.0.0

Defuses prompt injection in tool output: strips invisible Unicode that hides text from you but not from the model, and flags web pages, files and command output that carry instructions aimed at Claude.

Claude Code

By awesome-claude-modsLicense: MIT0 GitHub starsUpdated 2 weeks ago

Directory evidence

Runtimes
Claude Code
Parsed components
0 skill or MCP entries
Source updated
Oct 4, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install injection-guard for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install injection-guard@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/Singh-AP/awesome-claude-mods

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is mods/safety/injection-guard/.

Plugin files

mods/safety/injection-guard/
└── .claude-plugin/plugin.json

Plugin manifests1

mods/safety/injection-guard/.claude-plugin/plugin.json
{
  "name": "injection-guard",
  "version": "1.0.0",
  "description": "Defuses prompt injection in tool output: strips invisible Unicode that hides text from you but not from the model, and flags web pages, files and command output that carry instructions aimed at Claude.",
  "author": {
    "name": "awesome-claude-mods",
    "url": "https://github.com/Singh-AP/awesome-claude-mods"
  },
  "homepage": "https://github.com/Singh-AP/awesome-claude-mods/tree/main/mods/safety/injection-guard",
  "repository": "https://github.com/Singh-AP/awesome-claude-mods",
  "license": "MIT",
  "keywords": [
    "mod",
    "safety",
    "prompt-injection",
    "unicode",
    "security",
    "webfetch"
  ],
  "userConfig": {
    "mode": {
      "type": "string",
      "title": "Mode",
      "description": "warn tells Claude the result is untrusted; strip also replaces the instruction-like passages; block withholds the whole result. Hidden characters are removed in every mode.",
      "default": "warn",
      "options": [
        "warn",
        "strip",
        "block"
      ]
    }
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[injection-guard on Agent Plugins Marketplace](https://pluginsmp.com/plugins/injection-guard)